Market regulation · 13/03/2012
SEC Approves Proposed Rule Changes for NYSE Arca, NYSE American, and NASDAQ OMX PHLX
The U.S. Securities and Exchange Commission (SEC) has approved proposed rule changes for NYSE Arca, NYSE American, and NASDAQ OMX PHLX, effective March 7, 2012, as part of its ongoing efforts to modernize the U.S. securities markets.